nv50_tex.c revision 0a3f0ff2645d03d5f572cc26932595b8df400505
1/*
2 * Copyright 2008 Ben Skeggs
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17 * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
18 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
19 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 * SOFTWARE.
21 */
22
23#include "nv50_context.h"
24#include "nv50_resource.h"
25#include "nv50_texture.xml.h"
26#include "nv50_defs.xml.h"
27
28#include "util/u_format.h"
29
30#define NV50_TIC_0_SWIZZLE__MASK                      \
31   (NV50_TIC_0_MAPA__MASK | NV50_TIC_0_MAPB__MASK |   \
32    NV50_TIC_0_MAPG__MASK | NV50_TIC_0_MAPR__MASK)
33
34static INLINE uint32_t
35nv50_tic_swizzle(uint32_t tc, unsigned swz, boolean tex_int)
36{
37   switch (swz) {
38   case PIPE_SWIZZLE_RED:
39      return (tc & NV50_TIC_0_MAPR__MASK) >> NV50_TIC_0_MAPR__SHIFT;
40   case PIPE_SWIZZLE_GREEN:
41      return (tc & NV50_TIC_0_MAPG__MASK) >> NV50_TIC_0_MAPG__SHIFT;
42   case PIPE_SWIZZLE_BLUE:
43      return (tc & NV50_TIC_0_MAPB__MASK) >> NV50_TIC_0_MAPB__SHIFT;
44   case PIPE_SWIZZLE_ALPHA:
45      return (tc & NV50_TIC_0_MAPA__MASK) >> NV50_TIC_0_MAPA__SHIFT;
46   case PIPE_SWIZZLE_ONE:
47      return tex_int ? NV50_TIC_MAP_ONE_INT : NV50_TIC_MAP_ONE_FLOAT;
48   case PIPE_SWIZZLE_ZERO:
49   default:
50      return NV50_TIC_MAP_ZERO;
51   }
52}
53
54static void
55nv50_init_tic_entry_linear(uint32_t *tic, struct pipe_resource *res)
56{
57   if (res->target == PIPE_BUFFER) {
58      tic[2] |= NV50_TIC_2_LINEAR | NV50_TIC_2_TARGET_BUFFER;
59      tic[4] = res->width0;
60   } else {
61      struct nv50_miptree *mt = nv50_miptree(res);
62
63      tic[2] |= NV50_TIC_2_LINEAR | NV50_TIC_2_TARGET_RECT;
64      if (res->target != PIPE_TEXTURE_RECT)
65         tic[2] |= NV50_TIC_2_NORMALIZED_COORDS;
66      tic[3] = mt->level[0].pitch;
67      tic[4] = res->width0;
68      tic[5] = (1 << 16) | res->height0;
69   }
70}
71
72struct pipe_sampler_view *
73nv50_create_sampler_view(struct pipe_context *pipe,
74                         struct pipe_resource *texture,
75                         const struct pipe_sampler_view *templ)
76{
77   const struct util_format_description *desc;
78   uint32_t *tic;
79   uint32_t swz[4];
80   uint32_t depth;
81   struct nv50_tic_entry *view;
82   struct nv50_miptree *mt = nv50_miptree(texture);
83   boolean tex_int;
84
85   view = MALLOC_STRUCT(nv50_tic_entry);
86   if (!view)
87      return NULL;
88
89   view->pipe = *templ;
90   view->pipe.reference.count = 1;
91   view->pipe.texture = NULL;
92   view->pipe.context = pipe;
93
94   view->id = -1;
95
96   pipe_resource_reference(&view->pipe.texture, texture);
97
98   tic = &view->tic[0];
99
100   desc = util_format_description(view->pipe.format);
101
102   /* TIC[0] */
103
104   tic[0] = nv50_format_table[view->pipe.format].tic;
105
106   tex_int = FALSE; /* XXX: integer textures */
107
108   swz[0] = nv50_tic_swizzle(tic[0], view->pipe.swizzle_r, tex_int);
109   swz[1] = nv50_tic_swizzle(tic[0], view->pipe.swizzle_g, tex_int);
110   swz[2] = nv50_tic_swizzle(tic[0], view->pipe.swizzle_b, tex_int);
111   swz[3] = nv50_tic_swizzle(tic[0], view->pipe.swizzle_a, tex_int);
112   tic[0] = (tic[0] & ~NV50_TIC_0_SWIZZLE__MASK) |
113      (swz[0] << NV50_TIC_0_MAPR__SHIFT) |
114      (swz[1] << NV50_TIC_0_MAPG__SHIFT) |
115      (swz[2] << NV50_TIC_0_MAPB__SHIFT) |
116      (swz[3] << NV50_TIC_0_MAPA__SHIFT);
117
118   tic[1] = /* mt->base.bo->offset; */ 0;
119   tic[2] = /* mt->base.bo->offset >> 32 */ 0;
120
121   tic[2] |= 0x10001000 | NV50_TIC_2_NO_BORDER;
122
123   if (desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB)
124      tic[2] |= NV50_TIC_2_COLORSPACE_SRGB;
125
126   if (unlikely(!nouveau_bo_tile_layout(nv04_resource(texture)->bo))) {
127      nv50_init_tic_entry_linear(tic, texture);
128      return &view->pipe;
129   }
130
131   if (mt->base.base.target != PIPE_TEXTURE_RECT)
132      tic[2] |= NV50_TIC_2_NORMALIZED_COORDS;
133
134   tic[2] |=
135      ((mt->base.bo->tile_mode & 0x0f) << (22 - 0)) |
136      ((mt->base.bo->tile_mode & 0xf0) << (25 - 4));
137
138   depth = MAX2(mt->base.base.array_size, mt->base.base.depth0);
139
140   if (mt->base.base.target == PIPE_TEXTURE_1D_ARRAY ||
141       mt->base.base.target == PIPE_TEXTURE_2D_ARRAY) {
142      tic[1] = view->pipe.u.tex.first_layer * mt->layer_stride;
143      depth = view->pipe.u.tex.last_layer - view->pipe.u.tex.first_layer + 1;
144   }
145
146   switch (mt->base.base.target) {
147   case PIPE_TEXTURE_1D:
148      tic[2] |= NV50_TIC_2_TARGET_1D;
149      break;
150   case PIPE_TEXTURE_2D:
151      tic[2] |= NV50_TIC_2_TARGET_2D;
152      break;
153   case PIPE_TEXTURE_RECT:
154      tic[2] |= NV50_TIC_2_TARGET_RECT;
155      break;
156   case PIPE_TEXTURE_3D:
157      tic[2] |= NV50_TIC_2_TARGET_3D;
158      break;
159   case PIPE_TEXTURE_CUBE:
160      depth /= 6;
161      if (depth > 1)
162         tic[2] |= NV50_TIC_2_TARGET_CUBE_ARRAY;
163      else
164         tic[2] |= NV50_TIC_2_TARGET_CUBE;
165      break;
166   case PIPE_TEXTURE_1D_ARRAY:
167      tic[2] |= NV50_TIC_2_TARGET_1D_ARRAY;
168      break;
169   case PIPE_TEXTURE_2D_ARRAY:
170      tic[2] |= NV50_TIC_2_TARGET_2D_ARRAY;
171      break;
172   case PIPE_BUFFER:
173      assert(0); /* should be linear and handled above ! */
174      tic[2] |= NV50_TIC_2_TARGET_BUFFER | NV50_TIC_2_LINEAR;
175      break;
176   default:
177      NOUVEAU_ERR("invalid texture target: %d\n", mt->base.base.target);
178      return FALSE;
179   }
180
181   tic[3] = 0x00300000;
182
183   tic[4] = (1 << 31) | (mt->base.base.width0 << mt->ms_x);
184
185   tic[5] = (mt->base.base.height0 << mt->ms_y) & 0xffff;
186   tic[5] |= depth << 16;
187   tic[5] |= mt->base.base.last_level << 28;
188
189   tic[6] = (mt->ms_x > 1) ? 0x88000000 : 0x03000000; /* sampling points */
190
191   tic[7] = (view->pipe.u.tex.last_level << 4) | view->pipe.u.tex.first_level;
192
193   return &view->pipe;
194}
195
196static boolean
197nv50_validate_tic(struct nv50_context *nv50, int s)
198{
199   struct nouveau_channel *chan = nv50->screen->base.channel;
200   struct nouveau_bo *txc = nv50->screen->txc;
201   unsigned i;
202   boolean need_flush = FALSE;
203
204   for (i = 0; i < nv50->num_textures[s]; ++i) {
205      struct nv50_tic_entry *tic = nv50_tic_entry(nv50->textures[s][i]);
206      struct nv04_resource *res;
207
208      if (!tic) {
209         BEGIN_RING(chan, RING_3D(BIND_TIC(s)), 1);
210         OUT_RING  (chan, (i << 1) | 0);
211         continue;
212      }
213      res = &nv50_miptree(tic->pipe.texture)->base;
214
215      if (tic->id < 0) {
216         uint32_t offset = tic->tic[1];
217
218         tic->id = nv50_screen_tic_alloc(nv50->screen, tic);
219
220         MARK_RING (chan, 24 + 8, 4);
221         BEGIN_RING(chan, RING_2D(DST_FORMAT), 2);
222         OUT_RING  (chan, NV50_SURFACE_FORMAT_R8_UNORM);
223         OUT_RING  (chan, 1);
224         BEGIN_RING(chan, RING_2D(DST_PITCH), 5);
225         OUT_RING  (chan, 262144);
226         OUT_RING  (chan, 65536);
227         OUT_RING  (chan, 1);
228         OUT_RELOCh(chan, txc, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
229         OUT_RELOCl(chan, txc, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
230         BEGIN_RING(chan, RING_2D(SIFC_BITMAP_ENABLE), 2);
231         OUT_RING  (chan, 0);
232         OUT_RING  (chan, NV50_SURFACE_FORMAT_R8_UNORM);
233         BEGIN_RING(chan, RING_2D(SIFC_WIDTH), 10);
234         OUT_RING  (chan, 32);
235         OUT_RING  (chan, 1);
236         OUT_RING  (chan, 0);
237         OUT_RING  (chan, 1);
238         OUT_RING  (chan, 0);
239         OUT_RING  (chan, 1);
240         OUT_RING  (chan, 0);
241         OUT_RING  (chan, tic->id * 32);
242         OUT_RING  (chan, 0);
243         OUT_RING  (chan, 0);
244         BEGIN_RING_NI(chan, RING_2D(SIFC_DATA), 8);
245         OUT_RING  (chan, tic->tic[0]);
246         OUT_RELOCl(chan, res->bo, offset, NOUVEAU_BO_VRAM | NOUVEAU_BO_RD);
247         OUT_RELOC (chan, res->bo, offset, NOUVEAU_BO_VRAM | NOUVEAU_BO_RD |
248                    NOUVEAU_BO_HIGH | NOUVEAU_BO_OR, tic->tic[2], tic->tic[2]);
249         OUT_RINGp (chan, &tic->tic[3], 5);
250
251         need_flush = TRUE;
252      } else
253      if (res->status & NOUVEAU_BUFFER_STATUS_GPU_WRITING) {
254         BEGIN_RING(chan, RING_3D(TEX_CACHE_CTL), 1);
255         OUT_RING  (chan, 0x20); //(tic->id << 4) | 1);
256      }
257
258      nv50->screen->tic.lock[tic->id / 32] |= 1 << (tic->id % 32);
259
260      res->status &= NOUVEAU_BUFFER_STATUS_GPU_WRITING;
261      res->status |= NOUVEAU_BUFFER_STATUS_GPU_READING;
262
263      nv50_bufctx_add_resident(nv50, NV50_BUFCTX_TEXTURES, res,
264                               NOUVEAU_BO_VRAM | NOUVEAU_BO_RD);
265
266      BEGIN_RING(chan, RING_3D(BIND_TIC(s)), 1);
267      OUT_RING  (chan, (tic->id << 9) | (i << 1) | 1);
268   }
269   for (; i < nv50->state.num_textures[s]; ++i) {
270      BEGIN_RING(chan, RING_3D(BIND_TIC(s)), 1);
271      OUT_RING  (chan, (i << 1) | 0);
272   }
273   nv50->state.num_textures[s] = nv50->num_textures[s];
274
275   return need_flush;
276}
277
278void nv50_validate_textures(struct nv50_context *nv50)
279{
280   boolean need_flush;
281
282   need_flush  = nv50_validate_tic(nv50, 0);
283   need_flush |= nv50_validate_tic(nv50, 2);
284
285   if (need_flush) {
286      BEGIN_RING(nv50->screen->base.channel, RING_3D(TIC_FLUSH), 1);
287      OUT_RING  (nv50->screen->base.channel, 0);
288   }
289}
290
291static boolean
292nv50_validate_tsc(struct nv50_context *nv50, int s)
293{
294   struct nouveau_channel *chan = nv50->screen->base.channel;
295   unsigned i;
296   boolean need_flush = FALSE;
297
298   for (i = 0; i < nv50->num_samplers[s]; ++i) {
299      struct nv50_tsc_entry *tsc = nv50_tsc_entry(nv50->samplers[s][i]);
300
301      if (!tsc) {
302         BEGIN_RING(chan, RING_3D(BIND_TSC(s)), 1);
303         OUT_RING  (chan, (i << 4) | 0);
304         continue;
305      }
306      if (tsc->id < 0) {
307         tsc->id = nv50_screen_tsc_alloc(nv50->screen, tsc);
308
309         nv50_sifc_linear_u8(&nv50->base, nv50->screen->txc,
310                             65536 + tsc->id * 32,
311                             NOUVEAU_BO_VRAM, 32, tsc->tsc);
312         need_flush = TRUE;
313      }
314      nv50->screen->tsc.lock[tsc->id / 32] |= 1 << (tsc->id % 32);
315
316      BEGIN_RING(chan, RING_3D(BIND_TSC(s)), 1);
317      OUT_RING  (chan, (tsc->id << 12) | (i << 4) | 1);
318   }
319   for (; i < nv50->state.num_samplers[s]; ++i) {
320      BEGIN_RING(chan, RING_3D(BIND_TSC(s)), 1);
321      OUT_RING  (chan, (i << 4) | 0);
322   }
323   nv50->state.num_samplers[s] = nv50->num_samplers[s];
324
325   return need_flush;
326}
327
328void nv50_validate_samplers(struct nv50_context *nv50)
329{
330   boolean need_flush;
331
332   need_flush  = nv50_validate_tsc(nv50, 0);
333   need_flush |= nv50_validate_tsc(nv50, 2);
334
335   if (need_flush) {
336      BEGIN_RING(nv50->screen->base.channel, RING_3D(TSC_FLUSH), 1);
337      OUT_RING  (nv50->screen->base.channel, 0);
338   }
339}
340